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// Copyright 2020 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
//go:build zos && s390x
// +build zos,s390x
package unix_test
import (
"os"
"testing"
"unsafe"
"golang.org/x/sys/unix"
)
func TestFstatfs(t *testing.T) {
wd, err := os.Getwd()
if err != nil {
t.Fatal(err)
}
file, err := os.Open(wd)
if err != nil {
t.Fatal(err)
}
//Query Statfs_t and Statvfs_t from wd, check content
var stat unix.Statfs_t
err = unix.Fstatfs(int(file.Fd()), &stat)
if err != nil {
t.Fatal(err)
}
var stat_v unix.Statvfs_t
err = unix.Fstatvfs(int(file.Fd()), &stat_v)
if stat.Bsize != stat_v.Bsize ||
stat.Blocks != stat_v.Blocks ||
stat.Bfree != stat_v.Bfree ||
stat.Bavail != stat_v.Bavail ||
stat.Files != stat_v.Files ||
stat.Ffree != stat_v.Ffree ||
stat.Fsid != stat_v.Fsid ||
stat.Namelen != stat_v.Namemax ||
stat.Frsize != stat_v.Frsize ||
stat.Flags != stat_v.Flag {
t.Errorf("Mismatching fields in Statfs_t and Statvfs_t.\nStatfs_t = %+v\nStatvfs_t = %+v", stat, stat_v)
}
//Initialize W_Mntent, find corresponding device and check filesystem type
var mnt_ent_buffer struct {
header unix.W_Mnth
filesys_info [128]unix.W_Mntent
}
var buffer_size int = int(unsafe.Sizeof(mnt_ent_buffer))
var fs_count int = -1
for fs_count < 0 {
fs_count, err = unix.W_Getmntent((*byte)(unsafe.Pointer(&mnt_ent_buffer)), buffer_size)
if err != nil {
t.Fatal(err)
}
for i := 0; i < fs_count; i++ {
if stat.Fsid == uint64(mnt_ent_buffer.filesys_info[i].Dev) {
correct_type := uint32(mnt_ent_buffer.filesys_info[i].Fstname[0])
if stat.Type != correct_type {
t.Errorf("File system type is 0x%x. Should be 0x%x instead", stat.Type, correct_type)
}
return
}
}
}
}
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